626330 – Sending signal to thread without signal handler in thread causes perl to segfault

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Bug 626330 - Sending signal to thread without signal handler in thread causes perl to segfault

Summary: Sending signal to thread without signal handler in thread causes perl to segf...

Keywords:
Status:	CLOSED ERRATA
Alias:	None
Product:	Red Hat Enterprise Linux 6
Classification:	Red Hat
Component:	perl
Sub Component:
Version:	6.0
Hardware:	x86_64
OS:	Linux
Priority:	low
Severity:	medium
Target Milestone:	rc
Target Release:	---
Assignee:	perl-maint-list
QA Contact:	Petr Šplíchal
Docs Contact:
URL:
Whiteboard:
Duplicates (1):	640719 (view as bug list)
Depends On:	622190 640719
Blocks:
TreeView+	depends on / blocked

Reported:	2010-08-23 08:18 UTC by Petr Pisar
Modified:	2018-11-14 16:04 UTC (History)
CC List:	13 users (show)
Fixed In Version:	perl-5.10.1-116.el6
Doc Type:	Bug Fix
Doc Text:
Clone Of:	622190
Environment:
Last Closed:	2011-05-19 11:37:48 UTC
Target Upstream Version:
Embargoed:

Attachments	(Terms of Use)

Links
System	ID	Private	Priority	Status	Summary	Last Updated
CPAN	60460	0	None	None	None	Never
Red Hat Product Errata	RHSA-2011:0558	0	normal	SHIPPED_LIVE	Moderate: perl security and bug fix update	2011-05-19 11:37:18 UTC

Description Petr Pisar 2010-08-23 08:18:48 UTC

+++ This bug was initially created as a clone of Bug #622190 +++

Description of problem:
Sending signal to thread without signal handler in thread causes perl to segfault


Version-Release number of selected component (if applicable):
perl-5.10.1-116.fc13.x86_64


How reproducible:
Every time

Steps to Reproduce:
1.
Run next program perl script:

use strict;
use threads;

sub thr_func
{
    print "thread started\n";
    while(1) {
        sleep(100);
    }
}

my $thr = threads->create('thr_func');
$thr->kill('TERM');

  
Actual results: 
catchsegv perl test.pl

produces:

*** Segmentation fault
Register dump:

 RAX: 0000000001bda7c0   RBX: 0000000001ba2040   RCX: 000000000000000a
 RDX: 0000000001beee70   RSI: 0000000000000000   RDI: 0000000001bda280
 RBP: 0000000000000001   R8 : 0000000001c03cb0   R9 : 00000000000036d3
 R10: 00007fff367f3770   R11: 000000383311eaf0   R12: 000000000000003c
 R13: 0000000000000008   R14: 0000000001bda280   R15: 0000000001c03cb0
 RSP: 00007fff367f39f0

 RIP: 00007f17604f5165   EFLAGS: 00010206

 CS: 0033   FS: 0000   GS: 0000

 Trap: 0000000e   Error: 00000006   OldMask: 00000000   CR2: 0000003c

 FPUCW: 0000037f   FPUSW: 00000000   TAG: 00000000
 RIP: 00000000   RDP: 00000000

 ST(0) 0000 0000000000000032   ST(1) 0000 000000000000000e
 ST(2) 0000 ffffffff801f8000   ST(3) 0000 ffffffff9b52007e
 ST(4) 0000 0000000000000000   ST(5) 0000 0000000000000000
 ST(6) 0000 0000000000000000   ST(7) 0000 0000000000000005
 mxcsr: 1fa0
 XMM0:  000000000000000000000000ffffff00 XMM1:  000000000000000000000000ffffff00
 XMM2:  000000000000000000000000ffffff00 XMM3:  000000000000000000000000ffffff00
 XMM4:  000000000000000000000000ffffff00 XMM5:  000000000000000000000000ffffff00
 XMM6:  000000000000000000000000ffffff00 XMM7:  000000000000000000000000ffffff00
 XMM8:  000000000000000000000000ffffff00 XMM9:  000000000000000000000000ffffff00
 XMM10: 000000000000000000000000ffffff00 XMM11: 000000000000000000000000ffffff00
 XMM12: 000000000000000000000000ffffff00 XMM13: 000000000000000000000000ffffff00
 XMM14: 000000000000000000000000ffffff00 XMM15: 000000000000000000000000ffffff00

Backtrace:
/usr/lib64/perl5/auto/threads/threads.so(XS_threads_kill+0x145)[0x7f17604f5165]
/usr/lib64/perl5/CORE/libperl.so(Perl_pp_entersub+0x5a5)[0x38330a6865]
/usr/lib64/perl5/CORE/libperl.so(Perl_runops_standard+0x16)[0x38330a4b56]
/usr/lib64/perl5/CORE/libperl.so(perl_run+0x338)[0x383304d0e8]
perl(main+0xec)[0x400cac]
/lib64/libc.so.6(__libc_start_main+0xfd)[0x3f7581ec5d]
perl[0x400af9]

[...]

--- Additional comment from ppisar on 2010-08-18 09:03:13 GMT ---

So, it's not in the `make install'. The problem is with perl include paths:

petr@dhcp-0-146:/tmp/threads-1.77-build/usr/lib64/perl5 $ find
.
./threads.pm
./auto
./auto/threads
./auto/threads/.packlist
./auto/threads/threads.bs
./auto/threads/threads.so
./perllocal.pod
petr@dhcp-0-146:/tmp/threads-1.77-build/usr/lib64/perl5 $ perl -I . /tmp/perl_thread_kill 
Perl exited with active threads:
        1 running and unjoined
        0 finished and unjoined
        0 running and detached
petr@dhcp-0-146:/tmp/threads-1.77-build/usr/lib64/perl5 $ perl -I $PWD /tmp/perl_thread_kill 
Segmentation fault

Comment 1 Marcela Mašláňová 2010-10-06 17:06:23 UTC

*** Bug 640719 has been marked as a duplicate of this bug. ***

Comment 2 Petr Šabata 2010-10-15 09:15:33 UTC

Fix available, see the:
CPAN RT #60460
Bug #622190

Comment 6 errata-xmlrpc 2011-05-19 11:37:48 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0558.html

Comment 7 errata-xmlrpc 2011-05-19 13:08:11 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0558.html

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